---
created:
  source_filename: /home/runner/work/mknodes/mknodes/mknodes/pages/mkclasspage/__init__.py
  source_function: MkClassPage.__init__
  source_line_no: 46
hide:
- toc
icon: material/image
template: SUMMARY.html
title: MkImage
---

[:fa-brands-github: Show source on GitHub](https://github.com/phil65/mknodes/blob/main/mknodes/basenodes/mkimage/__init__.py)

### Image including optional caption.


=== "Examples"
    ### Example: **With caption**
    !!! jinja "Jinja"
        ``` {.jinja }
        {{ "https://picsum.photos/200" | MkImage(caption="A caption!") }}

        ```

    !!! python "Python"
        ``` {.python }
        MkImage('https://picsum.photos/200', caption='A caption!')
        ```

    ===! "Rendered"
        <figure markdown>
          ![](https://picsum.photos/200)
          <figcaption>A caption!</figcaption>
        </figure>

    === "Markdown"
        ``` {.markdown }
        <figure markdown>
          ![](https://picsum.photos/200)
          <figcaption>A caption!</figcaption>
        </figure>

        ```

    === "Html"
        ``` {.html }
        <figure>
        <p><img alt="" src="https://picsum.photos/200">
          </p>
        <figcaption>A caption!</figcaption>
        </figure>
        ```

    === "reST"
        ``` {.rst }
        .. image:: https://picsum.photos/200
            :alt: A caption!
        ```

    === "GitHub"
        ``` {.markdown }
        <picture>
         <img alt="A caption!" src="https://picsum.photos/200">
        </picture>
        ```

    ### Example: **Right-aligned**
    !!! jinja "Jinja"
        ``` {.jinja }
        {{ "https://picsum.photos/200" | MkImage(align="right") }}

        ```

    !!! python "Python"
        ``` {.python }
        MkImage('https://picsum.photos/200', align='right')
        ```

    ===! "Rendered"
        ![](https://picsum.photos/200){ align=right }

    === "Markdown"
        ``` {.markdown }
        ![](https://picsum.photos/200){ align=right }
        ```

    === "Html"
        ``` {.html }
        <p><img align="right" alt="" src="https://picsum.photos/200"></p>
        ```

    === "reST"
        ``` {.rst }
        .. image:: https://picsum.photos/200
            :align: right
        ```

    === "GitHub"
        ``` {.markdown }
        <picture>
         <img alt="" src="https://picsum.photos/200">
        </picture>
        ```

    ### Example: **Fixed width**
    !!! jinja "Jinja"
        ``` {.jinja }
        {{ "https://picsum.photos/200" | MkImage(width=500) }}

        ```

    !!! python "Python"
        ``` {.python }
        MkImage('https://picsum.photos/200', width=500)
        ```

    ===! "Rendered"
        ![](https://picsum.photos/200){ width="500" }

    === "Markdown"
        ``` {.markdown }
        ![](https://picsum.photos/200){ width="500" }
        ```

    === "Html"
        ``` {.html }
        <p><img alt="" src="https://picsum.photos/200" width="500"></p>
        ```

    === "reST"
        ``` {.rst }
        .. image:: https://picsum.photos/200
            :width: 500
        ```

    === "GitHub"
        ``` {.markdown }
        <picture>
         <img alt="" src="https://picsum.photos/200">
        </picture>
        ```

    ### Example: **Hyperlinked**
    !!! jinja "Jinja"
        ``` {.jinja }
        {{ "https://picsum.photos/200" | MkImage(target="https://phil65.github.io/mknodes") }}

        ```

    !!! python "Python"
        ``` {.python }
        MkImage('https://picsum.photos/200', target='https://phil65.github.io/mknodes')
        ```

    ===! "Rendered"
        [![](https://picsum.photos/200)](https://phil65.github.io/mknodes)

    === "Markdown"
        ``` {.markdown }
        [![](https://picsum.photos/200)](https://phil65.github.io/mknodes)
        ```

    === "Html"
        ``` {.html }
        <p><a href="https://phil65.github.io/mknodes"><img alt="" src="https://picsum.photos/200"></a></p>
        ```

    === "reST"
        ``` {.rst }
        .. image:: https://picsum.photos/200
            :target: https://phil65.github.io/mknodes
        ```

    === "GitHub"
        ``` {.markdown }
        <picture>
         <img alt="" src="https://picsum.photos/200">
        </picture>
        ```

    ### Example: **Separate dark mode image**
    !!! jinja "Jinja"
        ``` {.jinja }
        {{ "https://picsum.photos/200" | MkImage(path_dark_mode="https://picsum.photos/300") }}

        ```

    !!! python "Python"
        ``` {.python }
        MkImage('https://picsum.photos/200', path_dark_mode='https://picsum.photos/300')
        ```

    ===! "Rendered"
        ![](https://picsum.photos/300#only-dark) ![](https://picsum.photos/200#only-light)

    === "Markdown"
        ``` {.markdown }
        ![](https://picsum.photos/300#only-dark) ![](https://picsum.photos/200#only-light)
        ```

    === "Html"
        ``` {.html }
        <p><img alt="" src="https://picsum.photos/300#only-dark"> <img alt="" src="https://picsum.photos/200#only-light"></p>
        ```

    === "reST"
        ``` {.rst }
        .. image:: https://picsum.photos/200

        ```

    === "GitHub"
        ``` {.markdown }
        <picture>
         <source media="(prefers-color-scheme: dark)" srcset="https://picsum.photos/300">
         <source media="(prefers-color-scheme: light)" srcset="https://picsum.photos/200">
         <img alt="" src="https://picsum.photos/200">
        </picture>
        ```


=== "DocStrings"
    ::: mknodes.MkImage
        options:
          show_docstring_description: False


=== "Sub classes"
    | Name | Children | Inherits |
    |--- | --- | --- |
    | **<font size='4'>[MkBinaryImage](https://phil65.github.io/mknodes/)</font>**<br>*<font size='1'>mknodes.basenodes.mkbinaryimage</font>*<br>Image carrying the data by itself\. | <ul></ul> | <ul><li>[MkImage](https://phil65.github.io/mknodes/)</li></ul> |
    | **<font size='4'>[MkBadge](https://phil65.github.io/mknodes/)</font>**<br>*<font size='1'>mknodes.templatenodes.mkbadge</font>*<br>Node for a locally\-created badge \(based on "anybadge"\)\. | <ul></ul> | <ul><li>[MkImage](https://phil65.github.io/mknodes/)</li></ul> |


=== "Base classes"
    | Name | Children | Inherits |
    |--- | --- | --- |
    | **<font size='4'>[MkNode](https://phil65.github.io/mknodes/)</font>**<br>*<font size='1'>mknodes.basenodes.mknode</font>*<br>Base class for everything which can be expressed as Markup\. | <ul><li>[MkContainer](https://phil65.github.io/mknodes/)</li><li>[MkCompactAdmonition](https://phil65.github.io/mknodes/)</li><li>[MkLink](https://phil65.github.io/mknodes/)</li><li>[MkText](https://phil65.github.io/mknodes/)</li><li>[MkHeader](https://phil65.github.io/mknodes/)</li><li>[MkKeys](https://phil65.github.io/mknodes/)</li><li>[MkDocStrings](https://phil65.github.io/mknodes/)</li><li>[MkIcon](https://phil65.github.io/mknodes/)</li><li>[MkImage](https://phil65.github.io/mknodes/)</li><li>[MkProgressBar](https://phil65.github.io/mknodes/)</li><li>[BaseBlock](https://phil65.github.io/mknodes/)</li><li>...</li></ul> | <ul><li>[Node](https://phil65.github.io/mknodes/)</li></ul> |

=== "⋔ Inheritance diagram"
    ``` mermaid
    graph TD
      94875593508320["mkimage.MkImage"]
      94875594508576["mknode.MkNode"]
      94875592833088["node.Node"]
      140216716431552["builtins.object"]
      94875594508576 --> 94875593508320
      94875592833088 --> 94875594508576
      140216716431552 --> 94875592833088
    ```
=== "NodeFile"
    ``` {.toml  title='/home/runner/work/mknodes/mknodes/mknodes/basenodes/mkimage/metadata.toml'}
    [metadata]
    icon = "mdi:image"
    name = "MkImage"
    group = "image"

    [examples.with_caption]
    title = "With caption"
    jinja = """
    {{ "https://picsum.photos/200" | MkImage(caption="A caption!") }}
    """

    [examples.right_aligned]
    title = "Right-aligned"
    jinja = """
    {{ "https://picsum.photos/200" | MkImage(align="right") }}
    """

    [examples.fixed_width]
    title = "Fixed width"
    jinja = """
    {{ "https://picsum.photos/200" | MkImage(width=500) }}
    """

    [examples.hyperlinked]
    title = "Hyperlinked"
    jinja = """
    {{ "https://picsum.photos/200" | MkImage(target="https://phil65.github.io/mknodes") }}
    """

    [examples.dark_mode_image]
    title = "Separate dark mode image"
    jinja = """
    {{ "https://picsum.photos/200" | MkImage(path_dark_mode="https://picsum.photos/300") }}
    """

    [fragments]
    image = """
    ![{{ node.title ~ "](" ~ path ~ (mode | add("#only-")) ~ ")" ~ (node.align | add("{ align=", " }")) ~ (node.width | add('{ width="', '" }')) }}{% if node.lazy %}{ loading=lazy }{% endif %}
    """
    linked_image = """
    {% if node.url %}
    [{{ "fragments/image" | render_template(node=node, path=path, mode=mode) }}]({{ node.url }}){% else %}
    {{ "fragments/image" | render_template(node=node, path=path, mode=mode) }}{% endif %}
    """

    [output.markdown]
    template = """
    {% if node.path_dark_mode %}
    {% set link_dark = "fragments/linked_image" | render_template(node=node, path=node.path_dark_mode, mode="dark") %}
    {% set link_light = "fragments/linked_image" | render_template(node=node, path=node.path, mode="light") %}
    {% set markdown_link = link_dark ~ " " ~ link_light %}
    {% else %}
    {% set markdown_link = "fragments/linked_image" | render_template(node=node, path=node.path, mode=None) %}
    {% endif %}
    {% if node.caption %}
    <figure markdown>
      {{ markdown_link }}
      <figcaption>{{ node.caption }}</figcaption>
    </figure>
    {% else %}
    {{ markdown_link }}{% endif %}
    """

    [output.github]
    template = """
    <picture>
    {% if node.path_dark_mode %}
     <source media="(prefers-color-scheme: dark)" srcset="{{ node.path_dark_mode }}">
     <source media="(prefers-color-scheme: light)" srcset="{{ node.path }}">
    {% endif %}
     <img alt="{{ node.caption }}" src="{{ node.path }}">
    </picture>
    """

    [output.rst]
    template = """
    .. image:: {{ node.path }}
    {% if node.width %}    :width: {{ node.width }}{% endif %}
    {% if node.caption %}    :alt: {{ node.caption }}{% endif %}
    {% if node.align %}    :align: {{ node.align }}{% endif %}
    {% if node.url %}    :target: {{ node.url }}{% endif %}
    """

    ```
=== "Code"
    ``` {.python  title='mknodes.basenodes.mkimage.MkImage' linenums='18'}
    class MkImage(mknode.MkNode):
        """Image including optional caption."""

        ICON = "material/image"
        ATTR_LIST_SEPARATOR = ""

        def __init__(
            self,
            path: str,
            *,
            target: linkprovider.LinkableType | None = None,
            caption: str = "",
            title: str = "",
            align: Literal["left", "right"] | None = None,
            width: int | None = None,
            lazy: bool = False,
            path_dark_mode: str | None = None,
            **kwargs: Any,
        ):
            """Constructor.

            Args:
                path: path of the image
                target: Optional URL or node the image should link to
                caption: Image caption
                title: Image title
                align: Image alignment
                width: Image width in pixels
                lazy: Whether to lazy-load image
                path_dark_mode: Optional alternative image for dark mode
                kwargs: Keyword arguments passed to parent
            """
            super().__init__(**kwargs)
            self.title = title
            self.caption = caption
            self.target = target
            self.align = align
            self.width = width
            self.lazy = lazy
            self._path_dark_mode = path_dark_mode
            self._path = path

        @property
        def path(self) -> str:
            if helpers.is_url(self._path):
                return self._path
            # TODO: linkreplacer doesnt work yet with full path
            return pathlib.Path(self._path).name  # this should not be needed.

        @property
        def path_dark_mode(self):
            match self._path_dark_mode:
                case str() if helpers.is_url(self._path_dark_mode):
                    return self._path_dark_mode
                case str():
                    return pathlib.Path(self._path_dark_mode).name
                case _:
                    return None

        @property
        def url(self) -> str:
            return self.ctx.links.get_url(self.target) if self.target else ""

        def _to_markdown(self) -> str:
            if not self.path_dark_mode:
                markdown_link = self._build(self.path)
            else:
                link_2 = self._build(self.path, "light")
                link_1 = self._build(self.path_dark_mode, "dark")
                markdown_link = f"{link_1} {link_2}"
            if not self.caption:
                return markdown_link
            lines = [
                "<figure markdown>",
                f"  {markdown_link}",
                f"  <figcaption>{self.caption}</figcaption>",
                "</figure>",
            ]
            return "\n".join(lines) + "\n"

        def _build(self, path, mode: Literal["light", "dark"] | None = None) -> str:
            if mode:
                path += f"#only-{mode}"
            markdown_link = f"![{self.title}]({path})"
            if self.align:
                markdown_link += f"{{ align={self.align} }}"
            if self.width:
                markdown_link += f'{{ width="{self.width}" }}'
            if self.lazy:
                markdown_link += "{ loading=lazy }"
            if self.target:
                markdown_link = f"[{markdown_link}]({self.url})"
            return markdown_link

    ```